<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			
			*{
				margin: 0;
				padding: 0;
			}
			
			#box1{
				width: 100px;
				height: 100px;
				background-color: red;
				position: absolute;
				left: 0;
			}
			
			#box2{
				width: 100px;
				height: 100px;
				background-color: yellow;
				position: absolute;
				left: 0;
				top: 200px;
			}
			
		</style>
		<script type="text/javascript" src="js/tools.js"></script>
		<script type="text/javascript">
			
			window.onload = function(){
				
				//获取box1
				var box1 = document.getElementById("box1");
				//获取btn01
				var btn01 = document.getElementById("btn01");
				
				//获取btn02
				var btn02 = document.getElementById("btn02");
				
				
				//点击按钮以后，使box1向右移动（left值增大）
				btn01.onclick = function(){
					move(box1 ,"left", 800 , 20);
				};
				
				
				//点击按钮以后，使box1向左移动（left值减小）
				btn02.onclick = function(){
					move(box1 ,"left", 0 , 10);
				};
				
				
				//获取btn03
				var btn03 = document.getElementById("btn03");
				btn03.onclick = function(){
					move(box2 , "left",800 , 10);
				};
				
				//测试按钮
				var btn04 = document.getElementById("btn04");
				btn04.onclick = function(){
					//move(box2 ,"width", 800 , 10);
					//move(box2 ,"top", 800 , 10);
					//move(box2 ,"height", 800 , 10);
					move(box2 , "width" , 800 , 10 , function(){
						move(box2 , "height" , 400 , 10 , function(){
							move(box2 , "top" , 0 , 10 , function(){
								move(box2 , "width" , 100 , 10 , function(){
							
								});
							});
						});
					});
				};
			};
			
			//定义一个变量，用来保存定时器的标识
			/*
			 * 目前我们的定时器的标识由全局变量timer保存，
			 * 	所有的执行正在执行的定时器都在这个变量中保存
			 */
			//var timer;
			
			
			
			
		</script>
	</head>
	<body>
		
		<button id="btn01">点击按钮以后box1向右移动</button>
		<button id="btn02">点击按钮以后box1向左移动</button>
		<button id="btn03">点击按钮以后box2向右移动</button>
		<button id="btn04">测试按钮</button>
		
		<br /><br />
		
		<div id="box1"></div>
		<div id="box2"></div>
		
		<div style="width: 0; height: 1000px; border-left:1px black solid; position: absolute; left: 800px;top:0;"></div>
		
	</body>
</html>
